User's Manual

Bluetooth GPS Receiver User Manual
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9600bps(standard) in your application program.
F. In firstly Use of this Bluetooth GPS Receiver, we strongly recommend you to bring
your Bluetooth GPS receiver outdoor or open sky at least 10~15 minutes for sure
3D position fixed and almanac updated.
1. Introduction
G33 Bluetooth GPS Receiver is a total solution of GPS receiver with MediaTek 32
channel all-in-view tracking technology. GPS antenna, Bluetooth transmit/receive system
are included. It is designed on the most advantage MediaTek Single Chip Solution
(MT3318), got the full-function, and RoHS compliant, industry-level locating capacity and
low prices.
You can use this Bluetooth GPS Receiver as vehicles navigator, security system,
geographic measurement, investigations or agriculture purpose. G33 Bluetooth GPS
Receiver operation requirement is a proper power supply and the open sky-view. This
Bluetooth GPS Receiver can communicate with other electronic devices by Blue tooth
interface. Built-In Flash Memory can save satellite information and do almanac refresh
periodically. This will shorten Time To First Fix (TTFF) effectively.
The Bluetooth GPS Receiver is designed as an ultra low power consumption device,
and high position accuracy. It will update the satellite position every second. This Bluetooth
GPS Receiver auto-locating feature is capable of automatically determining a navigation
solution without inte rvention. However, acquisition performance could be interfered and do
cold start if the receiver were initialized with occurrence of the following events：
1) First in use
2) The GPS receiver is not in use for more than 3 months or transportation over
distances further than 500 kilometers.
3) Failure of the internal memory battery without system standby power.
4)Change Li-ion battery.
2. Features and Functions
1.) Superior Urban Canyon Performance
with 32 channel all-in-view tracking sensitivity –158dBm
2.) Act as WARM/HOT start with high capacity Li-ion battery
Back-up power circuit design will keep flash memory and RTC clocking always.
Shorten TTFF effectively
3.) Automatically almanac/ ephemeris update in flash memory
Programmable flash utility to do refresh on satellite orbit data information
4.) Smart power management solution.
GPS Device will automatically shutdown in case of Bluetooth connecting signal failure
detected and time over default setting value.